CassidyMarie CassidyMarie 14-03-2017 Mathematics contestada What is 4C? C= [12 0 3/2] [1 -6 7] A. [48 0 12] [4 -24 28] B. [24 0 6] [2 24 28] C. [48 0 3] [4 -24 28] D. [48 0 6] [4 -24 28]